| 摘要 |
When the first electrical conductor overlaps one of the three or more detection electrodes, the one detection electrode and the first electrical conductor are capacitively coupled. When the position of the first electrical conductor has changed in accordance with movement of the operation member, it is determined, based on the capacitance of each of the three or more detection electrodes after the change, that the first electrical conductor has moved in a direction from a first detection electrode judged to have decreased the capacitance to a second detection electrode judged to have increased the capacitance.
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